The sum of 1st 30 natural number is 30*31/2?
Find the sum of 1st 30multiple of6 ?
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Step-by-step explanation:
the sum of first 30 natural numbers.
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30
=465
30×31
2
=930/2
=465
the sum of first 30 multiple of 6
6+12+18+24+30+36+42+48+54+60+66+72+78+84+90+96+102+108+114+120+126+132+138+144+150+156+162+168+174+180
=2792
=1396/2 is also 2792
I hope this help you
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